Past measurement result　by Seawater Radiation Monitor near Fukushima Daiichi Nuclear Power Station

○Information

○Measurement value list ： 2023/04/28(CSV Download)

Radioactivity Concentration Unit:Bq/L

※ When being smaller then detection limit value, the numerical value is indicated with ND

TimeCs137Cs134Totalβ
00:00---
00:10---
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07:00---
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11:00---
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11:40---
11:50---
12:00---
12:10---
12:20---
12:30NDND8.9
12:40NDND10
12:50NDND11
13:00NDND9.0
13:10NDND11
13:20NDND13
13:30NDND14
13:40NDND12
13:50NDND10
14:00NDND11
14:10NDND11
14:20NDND10
14:30NDNDND
14:40NDND9.3
14:50NDNDND
15:00NDNDND
15:10NDNDND
15:20NDNDND
15:30NDND9.3
15:40NDND9.9
15:50NDND12
16:00NDND11
16:10NDND11
16:20NDND9.5
16:30NDND11
16:40NDND12
16:50NDND13
17:00NDND14
17:10NDND14
17:20NDND15
17:30NDND13
17:40NDND11
17:50NDND9.9
18:00NDND12
18:10NDND12
18:20NDND11
18:30NDND9.9
18:40NDNDND
18:50NDND8.8
19:00NDNDND
19:10NDNDND
19:20NDNDND
19:30NDNDND
19:40NDNDND
19:50NDNDND
20:00NDND9.2
20:10NDND12
20:20NDND11
20:30NDND12
20:40NDND11
20:50NDND9.7
21:00NDND10
21:10NDND11
21:20NDND10
21:30NDND9.9
21:40NDND12
21:50NDND14
22:00NDND14
22:10NDND12
22:20NDND13
22:30NDND12
22:40NDND12
22:50NDND12
23:00NDND12
23:10NDND14
23:20NDND13
23:30NDND12
23:40NDND11
23:50NDND9.3